650 S 45th St, Boulder, CO 80305 Property Records

Boulder County property record for 650 S 45th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.25 ba · 2,632 sqft · built 1958
Lot Size	0.172 acres (7,477 sqft)
Owner	2 Individual Names on Record
Last Sale	$995,000 (Nov 2025)
Tax Bill	$5,408 (2025)
Deeds & Mortgages	Nov 2025 Sale & Mortgage Sep 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1577-08-1-02-011`

Property Details

APN / Parcel Number

Primary APN	`1577-08-1-02-011`
Alternative APNs	`R0011770` `0011770`

Interior

Bedrooms	3 Beds
Full Baths	2.25 Baths
Half Baths	2 Half Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,632 sqft Living Area
1st Floor Area	1,514 sqft
Basement Area	1,118 sqft
Finished Basement	1,118 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1985
Architectural Style	Ranch
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,477 sqft (0.172 acres)
Garage Type	Detached
Garage Area	462 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	112 sqft
Deck Area	116 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011770
Street Address	650 S 45TH ST
City	BOULDER
State	CO
Zip	80305-6052
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 11 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	11
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3000
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	2 Individual Names on Record
Mailing Address	650 S 45TH ST, BOULDER, CO 80305-6052
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Nov 6, 2025	Warranty Deed, Transfer · Conventional Mortgage MERITRUST FCU
Sep 12, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 6, 2025 · Amount on Record
Deed Sale	Nov 6, 2025 · Amount on Record
Prior Sale	Oct 28, 1993 · Amount on Record
Deed Document Number	20254108792
Prior Transfer Date	Dec 4, 1998
Prior Transfer Doc	0001892028
Record Updated	Oct 29, 2026

November 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 6, 2025
Property Address	650 S 45TH ST, BOULDER, CO 80305-6052
Document Number	0004108792
Instrument Date	Nov 6, 2025
Instrument	4108792
Transaction Type	Transfer
Record Updated	Dec 2, 2025
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$99.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	650 S 45TH ST, BOULDER, CO 80305-6052

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	650 S 45TH ST, BOULDER, CO 80305-6052

Mortgage

Document Number	0004108793
Date	Nov 6, 2025
Instrument	4108793

Lender

Name	MERITRUST FCU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2055

September 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Sep 12, 2022
Property Address	650 S 45TH ST, BOULDER, CO 80305-6052
Document Number	0003980626
Instrument Date	Aug 31, 2022
Instrument	3980626
Transaction Type	Transfer
Record Updated	Sep 27, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	306 S GARDEN ST, BELLINGHAM, WA 98225-5822

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		$63,526 (+13.68%) Land $28,316 Building $35,210	$1,004,200 (+12.31%) Land $486,400 Building $517,800
2025	$5,408.00 (-0.88%)	$55,881 (-8.67%) Land $30,400 Building $25,481	$894,100 (-7.65%) Land $486,400 Building $407,700
2024	$5,456.00 (+1.83%)	$61,184 (-5.68%) Land $32,233 Building $28,951	$968,200 (-) Land $536,100 Building $432,100
2023	$5,358.00 (+13.83%)	$64,870 (+30.03%) Land $35,919 Building $28,951	$968,200 (+34.88%) Land $536,100 Building $432,100
2022	$4,707.00	$49,888 Land $26,744 Building $23,144	$717,800 Land $384,800 Building $333,000

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

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

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.

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