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

Boulder County property record for 730 S 46th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 2,912 sqft · built 1958
Lot Size	0.154 acres (6,726 sqft)
Owner	Individual Name on Record
Last Sale	$1,700,000 (Nov 2021)
Tax Bill	$8,273 (2025)
Deeds & Mortgages	Nov 2021 Sale & Mortgage Apr 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-08-1-01-015`

Property Details

APN / Parcel Number

Primary APN	`1577-08-1-01-015`
Alternative APNs	`R0013155` `0013155`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Half Baths	3 Half Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,912 sqft Living Area
Gross Area	3,456 sqft
1st Floor Area	1,151 sqft
Upper Floors Area	775 sqft
Basement Area	1,095 sqft
Finished Basement	986 sqft
Unfinished Basement	109 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1958
Effective Year Built	Effective 2010
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	6,726 sqft (0.154 acres)
Garage Type	Attached
Garage Area	435 sqft
Parking Spaces	2 Parking Spaces
Deck Area	241 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0013155
Street Address	730 S 46TH ST
City	BOULDER
State	CO
Zip	80305-6042
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 15 BLK 1 MARTIN ACRES 3
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 3 - BO
Legal Block	1
Legal Lot Number	15
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1001
Census Tract	12508

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	730 S 46TH ST, BOULDER, CO 80305-6042
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 30, 2021	Special Warranty Deed, Transfer · Conventional Mortgage INTEREST MORTGAGE LLC
Apr 20, 2021	Warranty Deed, Transfer · Commercial Mortgage MERCHANTS MORTGAGE & TRUST CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 30, 2021 · Amount on Record
Deed Sale	Nov 30, 2021 · Amount on Record
Prior Sale	Apr 20, 2021 · Amount on Record
Deed Document Number	20213931157
Record Updated	Oct 29, 2026

November 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 30, 2021
Property Address	730 S 46TH ST, BOULDER, CO 80305-6042
Document Number	0003931157
Instrument Date	Nov 24, 2021
Instrument	3931157
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$170.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	227 BALSAM LN, 227, BOULDER, CO 80304-0442

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	730 S 46TH ST, BOULDER, CO 80305-6042

Mortgage

Document Number	0003931542
Date	Nov 30, 2021
Instrument	3931542

Lender

Name	INTEREST MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2051

April 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 20, 2021
Property Address	730 S 46TH ST, BOULDER, CO 80305-6042
Document Number	0003878768
Instrument Date	Apr 10, 2021
Instrument	3878768
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$85.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	790 S 46TH ST, 790, BOULDER, CO 80305-6042

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	227 BALSAM LN, BOULDER, CO 80304-0442

Mortgage

Document Number	0003878769
Date	Apr 20, 2021
Instrument	3878769

Lender

Name	MERCHANTS MORTGAGE & TRUST CORP
Type	Mortgage Company

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

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		$89,644 (+3.31%) Land $26,608 Building $63,036	$1,388,300 (-) Land $461,300 Building $927,000
2025	$8,273.00 (-0.8%)	$86,769 (-11.99%) Land $28,831 Building $57,938	$1,388,300 (-5.65%) Land $461,300 Building $927,000
2024	$8,340.00 (+1.77%)
2023	$8,195.00 (+66.73%)	$98,591 (+88.11%) Land $34,070 Building $64,521	$1,471,500 (+95.13%) Land $508,500 Building $963,000
2022	$4,915.00	$52,410 Land $25,361 Building $27,049	$754,100 Land $364,900 Building $389,200

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

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	1 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

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

Wildfire Risk	Moderate above 59% of the US · above 46% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Direct burnable vegetation

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 221 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: CenturyLink, Verizon.

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