240 S 40th St, Boulder, CO 80305 Property Records

Boulder County property record for 240 S 40th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,631 sqft · built 1956
Lot Size	0.163 acres (7,096 sqft)
Owner	Individual Name on Record
Last Sale	$660,000 (Jun 2019)
Tax Bill	$5,033 (2025)
Deeds & Mortgages	May 2021 Mortgage Jun 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-23-001`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-23-001`
Alternative APNs	`R0013337` `0013337`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,631 sqft Living Area
1st Floor Area	1,631 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1988
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,096 sqft (0.163 acres)
Garage Type	Carport
Garage Area	468 sqft
Carport	Carport
Carport Area	468 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0013337
Street Address	240 S 40TH ST
City	BOULDER
State	CO
Zip	80305-5416
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 BLK 6 MARTIN ACRES 2
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 2 - BO
Legal Block	6
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3007
Census Tract	12507

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	240 S 40TH ST, BOULDER, CO 80305-5416
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
May 25, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC
Jun 17, 2019	Special Warranty Deed, Transfer · Conventional Mortgage SWBC MORTGAGE CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 17, 2019 · Amount on Record
Deed Sale	Jun 17, 2019 · Amount on Record
Prior Sale	Nov 15, 2004 · Amount on Record
Deed Document Number	20193718450
Last Transfer Date	May 3, 2021
Transfer Doc	0003887831
Record Updated	Oct 29, 2026

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	May 25, 2021
Property Address	240 S 40TH ST, BOULDER, CO 80305-5416
Document Number	0003887831
Instrument Date	May 3, 2021
Instrument	3887831
Transaction Type	Transfer
Record Updated	Jun 9, 2021
Title Company	HERITAGE TITLE CO

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	Tenants in Severalty
Address	240 S 40TH ST, BOULDER, CO 80305-5416

Mortgage

Document Number	0003887832
Date	May 25, 2021
Instrument	3887832

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2051

June 2019: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 17, 2019
Property Address	240 S 40TH ST, BOULDER, CO 80305-5416
Document Number	0003718450
Instrument Date	Jun 12, 2019
Instrument	3718450
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$66.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	240 S 40TH ST, BOULDER, CO 80305-5416

Mortgage

Document Number	0003718451
Date	Jun 17, 2019
Instrument	3718451

Lender

Name	SWBC MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2049

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		$52,673 (-0.22%) Land $29,893 Building $22,780	$844,600 (-) Land $509,600 Building $335,000
2025	$5,033.00 (+3.97%)	$52,788 (-11.64%) Land $31,850 Building $20,938	$844,600 (-5.28%) Land $509,600 Building $335,000
2023	$4,841.00 (+12.58%)	$59,744 (+29.01%) Land $37,131 Building $22,613	$891,700 (+33.83%) Land $554,200 Building $337,500
2022	$4,300.00	$46,308 Land $27,696 Building $18,612	$666,300 Land $398,500 Building $267,800

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	6 in force
Nearby Flood Claims	7 (1979–2022)
Claims Outside the SFHA	5 of 7
Most Recent Claim	Jul 2022 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 claims

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 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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 40th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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