725 S 46th St, Boulder, CO 80305 Property Records

Boulder County property record for 725 S 46th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,214 sqft · built 1958
Lot Size	0.184 acres (8,026 sqft)
Owner	2 Individual Names on File
Last Sale	$950,000 (Apr 2020)
Tax Bill	$6,112 (2025)
Deeds & Mortgages	Aug 2022 Line of Credit May 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`1577-08-1-02-024`

Property Details

APN / Parcel Number

Primary APN	`1577-08-1-02-024`
Alternative APNs	`R0011734` `0011734`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	2 Half Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,214 sqft Living Area
Gross Area	2,478 sqft
1st Floor Area	1,107 sqft
Basement Area	1,107 sqft
Finished Basement	1,107 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1958
Effective Year Built	Effective 2001
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	8,026 sqft (0.184 acres)
Garage Type	Attached
Garage Area	264 sqft
Parking Spaces	1 Parking Space
Deck Area	350 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011734
Street Address	725 S 46TH ST
City	BOULDER
State	CO
Zip	80305-6041
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	N 1.20 FT LOT 23 & ALL LOT 24 BLK 2 MARTIN ACRES 3
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 3 - BO
Legal Block	2
Legal Lot Number	24
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3000
Census Tract	12508

Owner

725 S 46th St is owned and occupied by two individuals who bought it in April 2020.

Source: Boulder County records, as of September 18, 2026

Owner of Record	2 Individual Names on File
Mailing Address	725 S 46TH ST, BOULDER, CO 80305-6041
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Aug 1, 2022	Deed of Trust, Mortgage · Line of Credit KEY BANK NA
May 4, 2021	Deed of Trust, Mortgage · Conventional Mortgage KEY BANK NA
Apr 27, 2020	Warranty Deed, Transfer KEYBANK USA
Jan 29, 2018	Quit Claim Deed, Transfer · Conventional Mortgage ELEVATIONS CU
Dec 4, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 27, 2020 · Amount on File
Deed Sale	Apr 27, 2020 · Amount on File
Prior Sale	Jun 3, 2011 · Amount on File
Deed Document Number	20203779605
Prior Transfer Date	Dec 21, 2017
Prior Transfer Doc	0003638256
Record Updated	Oct 29, 2026

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	725 S 46TH ST, BOULDER, CO 80305-6041
Transaction Type	Mortgage
Record Updated	Aug 17, 2022
Title Company	ACCURATE TITLE GROUP

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	725 S 46TH ST, BOULDER, CO 80305-6041

Mortgage

Document Number	0003974278
Date	Aug 1, 2022
Instrument	3974278

Lender

Name	KEY BANK NA
Type	Bank
Address	CLEVELAND, OH 44144

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Jul 25, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	725 S 46TH ST, BOULDER, CO 80305-6041
Transaction Type	Mortgage
Record Updated	May 19, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003882205
Date	May 4, 2021
Instrument	3882205

Lender

Name	KEY BANK NA
Type	Bank
Address	CLEVELAND, OH 44114

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	May 1, 2051

April 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 27, 2020
Property Address	725 S 46TH ST, BOULDER, CO 80305-6041
Document Number	0003779605
Instrument Date	Apr 23, 2020
Instrument	3779605
Transaction Type	Transfer
Record Updated	Jun 8, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$95.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	725 S 46TH ST BOULDER CO 803056041, BOULDER, CO 80305-6041

Mortgage

Document Number	3779606
Date	Apr 27, 2020
Instrument	3779606

Lender

Name	KEYBANK USA
Type	Bank
Address	CLEVELAND, OH 44114-1306

Agreement

Amount	Amount on Record
Term	360 Months
Due	Apr 26, 2050

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 29, 2018
Property Address	725 S 46TH ST, BOULDER, CO 80305-6041
Document Number	0003638256
Instrument Date	Dec 21, 2017
Instrument	3638256
Transaction Type	Transfer
Record Updated	Feb 5, 2018
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	725 S 46TH ST BOULDER CO 803056041, BOULDER, CO 80305-6041

Mortgage

Document Number	3638257
Date	Jan 29, 2018
Instrument	3638257

Lender

Name	ELEVATIONS CU
Address	BROOMFIELD, CO 80021

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jan 28, 2048

December 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 4, 2017
Property Address	725 S 46TH ST, BOULDER, CO 80305-6041
Document Number	0003629131
Instrument Date	Nov 28, 2017
Instrument	3629131
Transaction Type	Transfer
Record Updated	Dec 12, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	725 S 46TH ST BOULDER CO 803056041, BOULDER, CO 80305-6041

Tax Assessment & Valuation

The 2025 property tax bill for 725 S 46th St was $6,112.

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$64,988 (+1.37%) Land $29,506 Building $35,482	$1,025,700 (-) Land $503,900 Building $521,800
2025	$6,112.00	$64,107 Land $31,494 Building $32,613	$1,025,700 Land $503,900 Building $521,800
2023	$5,992.00 (+14.31%)	$73,071 (+30.74%) Land $37,219 Building $35,852	$1,090,600 (+35.61%) Land $555,500 Building $535,100
2022	$5,242.00	$55,892 Land $27,710 Building $28,182	$804,200 Land $398,700 Building $405,500

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 725 S 46th St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	5 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 725 S 46th St is low, with a 0.04% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 67% of the US · lower than 84% of Colorado
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 678 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

Nearby Properties on S 46th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures